Goaf

Definition of Goaf

n.1.(Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; - called also gob .
To work the goaf
to remove the pillars of mineral matter previously left to support the roof, and replace them with props.
- Ure.
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Gnow
Gnu
Go
go figure
go one on one
Go to
go-around
go-as-you-please
Go-between
Go-by
Go-devil
go-getter
go-kart
Go-out
go-slow
go-to-meeting
Goa
Goa powder
Goad
goaded
-Goaf-
Goal
Goal keeper
goal line
goalless
goalmouth
goalpost
Goar
Goarish
Goat
Goat antelope
Goat fig
Goat house
Goat moth
Goat weed
Goat's bane
Goat's beard
Goat's foot
Goat's rue
Goat's thorn
Goat's wheat
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